1 /* 2 * ==================================================== 3 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 4 * 5 * Developed at SunPro, a Sun Microsystems, Inc. business. 6 * Permission to use, copy, modify, and distribute this 7 * software is freely granted, provided that this notice 8 * is preserved. 9 * ==================================================== 10 */ 11 12 /* 13 * from: @(#)fdlibm.h 5.1 93/09/24 14 * $FreeBSD: src/lib/msun/src/openlibm.h,v 1.82 2011/11/12 19:55:48 theraven Exp $ 15 */ 16 17 #ifdef OPENLIBM_USE_HOST_MATH_H 18 #include <math.h> 19 #else /* !OPENLIBM_USE_HOST_MATH_H */ 20 21 #ifndef OPENLIBM_MATH_H 22 #define OPENLIBM_MATH_H 23 24 #if (defined(_WIN32) || defined (_MSC_VER)) && !defined(__WIN32__) 25 #define __WIN32__ 26 #endif 27 28 #ifndef __arm__ 29 #define LONG_DOUBLE 30 #endif 31 32 #ifndef __pure2 33 #define __pure2 34 #endif 35 36 #ifdef _WIN32 37 # ifdef IMPORT_EXPORTS 38 # define OLM_DLLEXPORT __declspec(dllimport) 39 # else 40 # define OLM_DLLEXPORT __declspec(dllexport) 41 # endif 42 #else 43 #define OLM_DLLEXPORT __attribute__ ((visibility("default"))) 44 #endif 45 46 /* 47 * ANSI/POSIX 48 */ 49 extern const union __infinity_un { 50 unsigned char __uc[8]; 51 double __ud; 52 } __infinity; 53 54 extern const union __nan_un { 55 unsigned char __uc[sizeof(float)]; 56 float __uf; 57 } __nan; 58 59 /* VBS 60 #if __GNUC_PREREQ__(3, 3) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800) 61 #define __MATH_BUILTIN_CONSTANTS 62 #endif 63 64 #if __GNUC_PREREQ__(3, 0) && !defined(__INTEL_COMPILER) 65 #define __MATH_BUILTIN_RELOPS 66 #endif 67 */ 68 69 //VBS begin 70 #define __MATH_BUILTIN_CONSTANTS 71 #define __MATH_BUILTIN_RELOPS 72 #ifndef __ISO_C_VISIBLE 73 #define __ISO_C_VISIBLE 1999 74 #endif 75 //VBS end 76 77 #ifdef __MATH_BUILTIN_CONSTANTS 78 #define HUGE_VAL __builtin_huge_val() 79 #else 80 #define HUGE_VAL (__infinity.__ud) 81 #endif 82 83 #if __ISO_C_VISIBLE >= 1999 84 #define FP_ILOGB0 (-INT_MAX) 85 #define FP_ILOGBNAN INT_MAX 86 87 #ifdef __MATH_BUILTIN_CONSTANTS 88 #define HUGE_VALF __builtin_huge_valf() 89 #define HUGE_VALL __builtin_huge_vall() 90 #define INFINITY __builtin_inff() 91 #define NAN __builtin_nanf("") 92 #else 93 #define HUGE_VALF (float)HUGE_VAL 94 #define HUGE_VALL (long double)HUGE_VAL 95 #define INFINITY HUGE_VALF 96 #define NAN (__nan.__uf) 97 #endif /* __MATH_BUILTIN_CONSTANTS */ 98 99 #define MATH_ERRNO 1 100 #define MATH_ERREXCEPT 2 101 #define math_errhandling MATH_ERREXCEPT 102 103 #define FP_FAST_FMAF 1 104 #ifdef __ia64__ 105 #define FP_FAST_FMA 1 106 #define FP_FAST_FMAL 1 107 #endif 108 109 /* Symbolic constants to classify floating point numbers. */ 110 #define FP_INFINITE 0x01 111 #define FP_NAN 0x02 112 #define FP_NORMAL 0x04 113 #define FP_SUBNORMAL 0x08 114 #define FP_ZERO 0x10 115 #define fpclassify(x) \ 116 ((sizeof (x) == sizeof (float)) ? __fpclassifyf(x) \ 117 : (sizeof (x) == sizeof (double)) ? __fpclassifyd(x) \ 118 : __fpclassifyl(x)) 119 120 #define isfinite(x) \ 121 ((sizeof (x) == sizeof (float)) ? __isfinitef(x) \ 122 : (sizeof (x) == sizeof (double)) ? __isfinite(x) \ 123 : __isfinitel(x)) 124 #define isinf(x) \ 125 ((sizeof (x) == sizeof (float)) ? __isinff(x) \ 126 : (sizeof (x) == sizeof (double)) ? isinf(x) \ 127 : __isinfl(x)) 128 #define isnan(x) \ 129 ((sizeof (x) == sizeof (float)) ? __isnanf(x) \ 130 : (sizeof (x) == sizeof (double)) ? isnan(x) \ 131 : __isnanl(x)) 132 #define isnormal(x) \ 133 ((sizeof (x) == sizeof (float)) ? __isnormalf(x) \ 134 : (sizeof (x) == sizeof (double)) ? __isnormal(x) \ 135 : __isnormall(x)) 136 137 #ifdef __MATH_BUILTIN_RELOPS 138 #define isgreater(x, y) __builtin_isgreater((x), (y)) 139 #define isgreaterequal(x, y) __builtin_isgreaterequal((x), (y)) 140 #define isless(x, y) __builtin_isless((x), (y)) 141 #define islessequal(x, y) __builtin_islessequal((x), (y)) 142 #define islessgreater(x, y) __builtin_islessgreater((x), (y)) 143 #define isunordered(x, y) __builtin_isunordered((x), (y)) 144 #else 145 #define isgreater(x, y) (!isunordered((x), (y)) && (x) > (y)) 146 #define isgreaterequal(x, y) (!isunordered((x), (y)) && (x) >= (y)) 147 #define isless(x, y) (!isunordered((x), (y)) && (x) < (y)) 148 #define islessequal(x, y) (!isunordered((x), (y)) && (x) <= (y)) 149 #define islessgreater(x, y) (!isunordered((x), (y)) && \ 150 ((x) > (y) || (y) > (x))) 151 #define isunordered(x, y) (isnan(x) || isnan(y)) 152 #endif /* __MATH_BUILTIN_RELOPS */ 153 154 #define signbit(x) \ 155 ((sizeof (x) == sizeof (float)) ? __signbitf(x) \ 156 : (sizeof (x) == sizeof (double)) ? __signbit(x) \ 157 : __signbitl(x)) 158 159 //VBS 160 //typedef __double_t double_t; 161 //typedef __float_t float_t; 162 #endif /* __ISO_C_VISIBLE >= 1999 */ 163 164 /* 165 * XOPEN/SVID 166 */ 167 #if __BSD_VISIBLE || __XSI_VISIBLE 168 #define M_E 2.7182818284590452354 /* e */ 169 #define M_LOG2E 1.4426950408889634074 /* log 2e */ 170 #define M_LOG10E 0.43429448190325182765 /* log 10e */ 171 #define M_LN2 0.69314718055994530942 /* log e2 */ 172 #define M_LN10 2.30258509299404568402 /* log e10 */ 173 #define M_PI 3.14159265358979323846 /* pi */ 174 #define M_PI_2 1.57079632679489661923 /* pi/2 */ 175 #define M_PI_4 0.78539816339744830962 /* pi/4 */ 176 #define M_1_PI 0.31830988618379067154 /* 1/pi */ 177 #define M_2_PI 0.63661977236758134308 /* 2/pi */ 178 #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */ 179 #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ 180 #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ 181 182 #define MAXFLOAT ((float)3.40282346638528860e+38) 183 184 #ifndef OPENLIBM_ONLY_THREAD_SAFE 185 extern int signgam; 186 #endif 187 #endif /* __BSD_VISIBLE || __XSI_VISIBLE */ 188 189 #if __BSD_VISIBLE 190 #if 0 191 /* Old value from 4.4BSD-Lite openlibm.h; this is probably better. */ 192 #define HUGE HUGE_VAL 193 #else 194 #define HUGE MAXFLOAT 195 #endif 196 #endif /* __BSD_VISIBLE */ 197 198 /* 199 * Most of these functions depend on the rounding mode and have the side 200 * effect of raising floating-point exceptions, so they are not declared 201 * as __pure2. In C99, FENV_ACCESS affects the purity of these functions. 202 */ 203 204 #if defined(__cplusplus) 205 extern "C" { 206 #endif 207 /* Symbol present when OpenLibm is used. */ 208 int isopenlibm(void); 209 210 /* 211 * ANSI/POSIX 212 */ 213 OLM_DLLEXPORT int __fpclassifyd(double) __pure2; 214 OLM_DLLEXPORT int __fpclassifyf(float) __pure2; 215 OLM_DLLEXPORT int __fpclassifyl(long double) __pure2; 216 OLM_DLLEXPORT int __isfinitef(float) __pure2; 217 OLM_DLLEXPORT int __isfinite(double) __pure2; 218 OLM_DLLEXPORT int __isfinitel(long double) __pure2; 219 OLM_DLLEXPORT int __isinff(float) __pure2; 220 OLM_DLLEXPORT int __isinfl(long double) __pure2; 221 OLM_DLLEXPORT int __isnanf(float) __pure2; 222 OLM_DLLEXPORT int __isnanl(long double) __pure2; 223 OLM_DLLEXPORT int __isnormalf(float) __pure2; 224 OLM_DLLEXPORT int __isnormal(double) __pure2; 225 OLM_DLLEXPORT int __isnormall(long double) __pure2; 226 OLM_DLLEXPORT int __signbit(double) __pure2; 227 OLM_DLLEXPORT int __signbitf(float) __pure2; 228 OLM_DLLEXPORT int __signbitl(long double) __pure2; 229 230 OLM_DLLEXPORT double acos(double); 231 OLM_DLLEXPORT double asin(double); 232 OLM_DLLEXPORT double atan(double); 233 OLM_DLLEXPORT double atan2(double, double); 234 OLM_DLLEXPORT double cos(double); 235 OLM_DLLEXPORT double sin(double); 236 OLM_DLLEXPORT double tan(double); 237 238 OLM_DLLEXPORT double cosh(double); 239 OLM_DLLEXPORT double sinh(double); 240 OLM_DLLEXPORT double tanh(double); 241 242 OLM_DLLEXPORT double exp(double); 243 OLM_DLLEXPORT double frexp(double, int *); /* fundamentally !__pure2 */ 244 OLM_DLLEXPORT double ldexp(double, int); 245 OLM_DLLEXPORT double log(double); 246 OLM_DLLEXPORT double log10(double); 247 OLM_DLLEXPORT double modf(double, double *); /* fundamentally !__pure2 */ 248 249 OLM_DLLEXPORT double pow(double, double); 250 OLM_DLLEXPORT double sqrt(double); 251 252 OLM_DLLEXPORT double ceil(double); 253 OLM_DLLEXPORT double fabs(double) __pure2; 254 OLM_DLLEXPORT double floor(double); 255 OLM_DLLEXPORT double fmod(double, double); 256 257 /* 258 * These functions are not in C90. 259 */ 260 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE 261 OLM_DLLEXPORT double acosh(double); 262 OLM_DLLEXPORT double asinh(double); 263 OLM_DLLEXPORT double atanh(double); 264 OLM_DLLEXPORT double cbrt(double); 265 OLM_DLLEXPORT double erf(double); 266 OLM_DLLEXPORT double erfc(double); 267 OLM_DLLEXPORT double exp2(double); 268 OLM_DLLEXPORT double expm1(double); 269 OLM_DLLEXPORT double fma(double, double, double); 270 OLM_DLLEXPORT double hypot(double, double); 271 OLM_DLLEXPORT int ilogb(double) __pure2; 272 OLM_DLLEXPORT int (isinf)(double) __pure2; 273 OLM_DLLEXPORT int (isnan)(double) __pure2; 274 OLM_DLLEXPORT double lgamma(double); 275 OLM_DLLEXPORT long long llrint(double); 276 OLM_DLLEXPORT long long llround(double); 277 OLM_DLLEXPORT double log1p(double); 278 OLM_DLLEXPORT double log2(double); 279 OLM_DLLEXPORT double logb(double); 280 OLM_DLLEXPORT long lrint(double); 281 OLM_DLLEXPORT long lround(double); 282 OLM_DLLEXPORT double nan(const char *) __pure2; 283 OLM_DLLEXPORT double nextafter(double, double); 284 OLM_DLLEXPORT double remainder(double, double); 285 OLM_DLLEXPORT double remquo(double, double, int *); 286 OLM_DLLEXPORT double rint(double); 287 #endif /* __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE */ 288 289 #if __BSD_VISIBLE || __XSI_VISIBLE 290 OLM_DLLEXPORT double j0(double); 291 OLM_DLLEXPORT double j1(double); 292 OLM_DLLEXPORT double jn(int, double); 293 OLM_DLLEXPORT double y0(double); 294 OLM_DLLEXPORT double y1(double); 295 OLM_DLLEXPORT double yn(int, double); 296 #endif /* __BSD_VISIBLE || __XSI_VISIBLE */ 297 298 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 299 OLM_DLLEXPORT double copysign(double, double) __pure2; 300 OLM_DLLEXPORT double fdim(double, double); 301 OLM_DLLEXPORT double fmax(double, double) __pure2; 302 OLM_DLLEXPORT double fmin(double, double) __pure2; 303 OLM_DLLEXPORT double nearbyint(double); 304 OLM_DLLEXPORT double round(double); 305 OLM_DLLEXPORT double scalbln(double, long); 306 OLM_DLLEXPORT double scalbn(double, int); 307 OLM_DLLEXPORT double tgamma(double); 308 OLM_DLLEXPORT double trunc(double); 309 #endif 310 311 /* 312 * BSD math library entry points 313 */ 314 #if __BSD_VISIBLE 315 OLM_DLLEXPORT int isnanf(float) __pure2; 316 317 /* 318 * Reentrant version of lgamma; passes signgam back by reference as the 319 * second argument; user must allocate space for signgam. 320 */ 321 OLM_DLLEXPORT double lgamma_r(double, int *); 322 323 /* 324 * Single sine/cosine function. 325 */ 326 OLM_DLLEXPORT void sincos(double, double *, double *); 327 #endif /* __BSD_VISIBLE */ 328 329 /* float versions of ANSI/POSIX functions */ 330 #if __ISO_C_VISIBLE >= 1999 331 OLM_DLLEXPORT float acosf(float); 332 OLM_DLLEXPORT float asinf(float); 333 OLM_DLLEXPORT float atanf(float); 334 OLM_DLLEXPORT float atan2f(float, float); 335 OLM_DLLEXPORT float cosf(float); 336 OLM_DLLEXPORT float sinf(float); 337 OLM_DLLEXPORT float tanf(float); 338 339 OLM_DLLEXPORT float coshf(float); 340 OLM_DLLEXPORT float sinhf(float); 341 OLM_DLLEXPORT float tanhf(float); 342 343 OLM_DLLEXPORT float exp2f(float); 344 OLM_DLLEXPORT float expf(float); 345 OLM_DLLEXPORT float expm1f(float); 346 OLM_DLLEXPORT float frexpf(float, int *); /* fundamentally !__pure2 */ 347 OLM_DLLEXPORT int ilogbf(float) __pure2; 348 OLM_DLLEXPORT float ldexpf(float, int); 349 OLM_DLLEXPORT float log10f(float); 350 OLM_DLLEXPORT float log1pf(float); 351 OLM_DLLEXPORT float log2f(float); 352 OLM_DLLEXPORT float logf(float); 353 OLM_DLLEXPORT float modff(float, float *); /* fundamentally !__pure2 */ 354 355 OLM_DLLEXPORT float powf(float, float); 356 OLM_DLLEXPORT float sqrtf(float); 357 358 OLM_DLLEXPORT float ceilf(float); 359 OLM_DLLEXPORT float fabsf(float) __pure2; 360 OLM_DLLEXPORT float floorf(float); 361 OLM_DLLEXPORT float fmodf(float, float); 362 OLM_DLLEXPORT float roundf(float); 363 364 OLM_DLLEXPORT float erff(float); 365 OLM_DLLEXPORT float erfcf(float); 366 OLM_DLLEXPORT float hypotf(float, float); 367 OLM_DLLEXPORT float lgammaf(float); 368 OLM_DLLEXPORT float tgammaf(float); 369 370 OLM_DLLEXPORT float acoshf(float); 371 OLM_DLLEXPORT float asinhf(float); 372 OLM_DLLEXPORT float atanhf(float); 373 OLM_DLLEXPORT float cbrtf(float); 374 OLM_DLLEXPORT float logbf(float); 375 OLM_DLLEXPORT float copysignf(float, float) __pure2; 376 OLM_DLLEXPORT long long llrintf(float); 377 OLM_DLLEXPORT long long llroundf(float); 378 OLM_DLLEXPORT long lrintf(float); 379 OLM_DLLEXPORT long lroundf(float); 380 OLM_DLLEXPORT float nanf(const char *) __pure2; 381 OLM_DLLEXPORT float nearbyintf(float); 382 OLM_DLLEXPORT float nextafterf(float, float); 383 OLM_DLLEXPORT float remainderf(float, float); 384 OLM_DLLEXPORT float remquof(float, float, int *); 385 OLM_DLLEXPORT float rintf(float); 386 OLM_DLLEXPORT float scalblnf(float, long); 387 OLM_DLLEXPORT float scalbnf(float, int); 388 OLM_DLLEXPORT float truncf(float); 389 390 OLM_DLLEXPORT float fdimf(float, float); 391 OLM_DLLEXPORT float fmaf(float, float, float); 392 OLM_DLLEXPORT float fmaxf(float, float) __pure2; 393 OLM_DLLEXPORT float fminf(float, float) __pure2; 394 #endif 395 396 /* 397 * float versions of BSD math library entry points 398 */ 399 #if __BSD_VISIBLE 400 OLM_DLLEXPORT float dremf(float, float); 401 OLM_DLLEXPORT float j0f(float); 402 OLM_DLLEXPORT float j1f(float); 403 OLM_DLLEXPORT float jnf(int, float); 404 OLM_DLLEXPORT float y0f(float); 405 OLM_DLLEXPORT float y1f(float); 406 OLM_DLLEXPORT float ynf(int, float); 407 408 /* 409 * Float versions of reentrant version of lgamma; passes signgam back by 410 * reference as the second argument; user must allocate space for signgam. 411 */ 412 OLM_DLLEXPORT float lgammaf_r(float, int *); 413 414 /* 415 * Single sine/cosine function. 416 */ 417 OLM_DLLEXPORT void sincosf(float, float *, float *); 418 #endif /* __BSD_VISIBLE */ 419 420 /* 421 * long double versions of ISO/POSIX math functions 422 */ 423 #if __ISO_C_VISIBLE >= 1999 424 OLM_DLLEXPORT long double acoshl(long double); 425 OLM_DLLEXPORT long double acosl(long double); 426 OLM_DLLEXPORT long double asinhl(long double); 427 OLM_DLLEXPORT long double asinl(long double); 428 OLM_DLLEXPORT long double atan2l(long double, long double); 429 OLM_DLLEXPORT long double atanhl(long double); 430 OLM_DLLEXPORT long double atanl(long double); 431 OLM_DLLEXPORT long double cbrtl(long double); 432 OLM_DLLEXPORT long double ceill(long double); 433 OLM_DLLEXPORT long double copysignl(long double, long double) __pure2; 434 OLM_DLLEXPORT long double coshl(long double); 435 OLM_DLLEXPORT long double cosl(long double); 436 OLM_DLLEXPORT long double erfcl(long double); 437 OLM_DLLEXPORT long double erfl(long double); 438 OLM_DLLEXPORT long double exp2l(long double); 439 OLM_DLLEXPORT long double expl(long double); 440 OLM_DLLEXPORT long double expm1l(long double); 441 OLM_DLLEXPORT long double fabsl(long double) __pure2; 442 OLM_DLLEXPORT long double fdiml(long double, long double); 443 OLM_DLLEXPORT long double floorl(long double); 444 OLM_DLLEXPORT long double fmal(long double, long double, long double); 445 OLM_DLLEXPORT long double fmaxl(long double, long double) __pure2; 446 OLM_DLLEXPORT long double fminl(long double, long double) __pure2; 447 OLM_DLLEXPORT long double fmodl(long double, long double); 448 OLM_DLLEXPORT long double frexpl(long double value, int *); /* fundamentally !__pure2 */ 449 OLM_DLLEXPORT long double hypotl(long double, long double); 450 OLM_DLLEXPORT int ilogbl(long double) __pure2; 451 OLM_DLLEXPORT long double ldexpl(long double, int); 452 OLM_DLLEXPORT long double lgammal(long double); 453 OLM_DLLEXPORT long long llrintl(long double); 454 OLM_DLLEXPORT long long llroundl(long double); 455 OLM_DLLEXPORT long double log10l(long double); 456 OLM_DLLEXPORT long double log1pl(long double); 457 OLM_DLLEXPORT long double log2l(long double); 458 OLM_DLLEXPORT long double logbl(long double); 459 OLM_DLLEXPORT long double logl(long double); 460 OLM_DLLEXPORT long lrintl(long double); 461 OLM_DLLEXPORT long lroundl(long double); 462 OLM_DLLEXPORT long double modfl(long double, long double *); /* fundamentally !__pure2 */ 463 OLM_DLLEXPORT long double nanl(const char *) __pure2; 464 OLM_DLLEXPORT long double nearbyintl(long double); 465 OLM_DLLEXPORT long double nextafterl(long double, long double); 466 OLM_DLLEXPORT double nexttoward(double, long double); 467 OLM_DLLEXPORT float nexttowardf(float, long double); 468 OLM_DLLEXPORT long double nexttowardl(long double, long double); 469 OLM_DLLEXPORT long double powl(long double, long double); 470 OLM_DLLEXPORT long double remainderl(long double, long double); 471 OLM_DLLEXPORT long double remquol(long double, long double, int *); 472 OLM_DLLEXPORT long double rintl(long double); 473 OLM_DLLEXPORT long double roundl(long double); 474 OLM_DLLEXPORT long double scalblnl(long double, long); 475 OLM_DLLEXPORT long double scalbnl(long double, int); 476 OLM_DLLEXPORT long double sinhl(long double); 477 OLM_DLLEXPORT long double sinl(long double); 478 OLM_DLLEXPORT long double sqrtl(long double); 479 OLM_DLLEXPORT long double tanhl(long double); 480 OLM_DLLEXPORT long double tanl(long double); 481 OLM_DLLEXPORT long double tgammal(long double); 482 OLM_DLLEXPORT long double truncl(long double); 483 #endif /* __ISO_C_VISIBLE >= 1999 */ 484 485 /* Reentrant version of lgammal. */ 486 #if __BSD_VISIBLE 487 OLM_DLLEXPORT long double lgammal_r(long double, int *); 488 489 /* 490 * Single sine/cosine function. 491 */ 492 OLM_DLLEXPORT void sincosl(long double, long double *, long double *); 493 #endif /* __BSD_VISIBLE */ 494 495 #if defined(__cplusplus) 496 } 497 #endif 498 #endif /* !OPENLIBM_MATH_H */ 499 500 #endif /* OPENLIBM_USE_HOST_MATH_H */ 501